1. The recent pandemic of influenza: its place of origin and mode of spread;Clemow;Lancet,1894
2. Unexpected detection of SARS-CoV-2 antibodies in the prepandemic period in Italy;Apolone;Tumori,2020
3. Evidence of early circulation of SARS-CoV-2 in France: findings from the population-based “CONSTANCES” cohort;Carrat;Eur J Epidemiol,2021
4. Global patterns in coronavirus diversity;Anthony;Virus Evol,2017
5. Centers for Disease Control and Prevention. SARS (10 Years After). Available from: https://www.cdc.gov/dotw/sars/index.html.